What is Mass Gainer?

Mass gainer are a type of sports nutrition supplement that can help individuals looking to increase their muscle mass and overall body weight. As a dietitian, it’s essential to understand the purpose and composition of mass gainers to make informed recommendations to clients.

Simply put, mass gainers are calorie-dense powders designed to help individuals consume a surplus of calories in a convenient and easy-to-digest form. They typically contain a blend of carbohydrates, protein, fat, vitamins, and minerals. The macronutrient ratio of mass gainers is usually skewed towards carbohydrates and proteins, with a lower fat content.

Mass gainers are popular among athletes, bodybuilders, and individuals with fast metabolisms who struggle to gain weight. They offer a convenient way to increase calorie intake, which is necessary for promoting muscle growth and increasing overall body weight.

When choosing a mass gainer, it’s crucial to consider the specific nutritional needs and goals of the individual. Some mass gainers are formulated with higher protein content to support muscle recovery and growth, while others may contain more carbohydrates to provide energy for intense workouts.

As a dietitian, it’s important to educate clients on the importance of reading nutrition labels to understand the specific nutritional composition of the mass gainer they are considering. This will allow them to select a product that aligns with their individual goals and dietary preferences.

While mass gainers can be a valuable tool to support weight and muscle gain, it’s important to note that they should not replace whole foods in the diet. Whole foods offer a wide range of essential nutrients, fiber, and phytochemicals that cannot be replicated in a powdered form.

Furthermore, it’s essential to remind clients that individual calorie needs vary, and mass gainers may not be suitable for everyone. A personalized approach, taking into account factors such as activity level, age, and overall health, is crucial when recommending mass gainers or any sports nutrition supplement.

What are the benefits of Mass Gainer?

As a dietitian, I am often asked about the health benefits of mass gainers. Mass gainers are a type of supplement designed to help individuals who struggle to gain weight or muscle mass. They typically contain a mix of carbohydrates, protein, and fats, along with various vitamins and minerals. While it’s important to note that individual results may vary, there are several potential health benefits associated with using mass gainers.

1. Increased Caloric Intake

One of the primary benefits of mass gainers is their ability to provide a significant caloric boost. These supplements are usually calorie-dense and can help individuals who struggle to consume enough calories to support weight gain. This can be especially beneficial for athletes, bodybuilders, or individuals with high metabolic rates who require a surplus of calories to support muscle growth or energy expenditure.

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2. Muscle Growth and Recovery

Mass gainers are often used by individuals looking to increase muscle mass. They typically provide a significant amount of protein, which is essential for muscle growth and repair. Protein is made up of amino acids, and these building blocks are crucial for rebuilding and synthesizing muscle tissue after intense workouts. By providing an ample amount of protein, mass gainers can support muscle recovery and aid in muscle growth.

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3. Convenient Source of Nutrition

For individuals who struggle to consume enough calories or have a busy lifestyle, mass gainers can be a convenient source of nutrition. They can be easily prepared by mixing them with water or milk, making them a quick and easy option for those on the go. Mass gainers often come in powdered form, allowing for customization of serving sizes and the ability to adjust the macronutrient composition to fit individual needs.

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4. Weight Gain and Nutrient Repletion

Mass gainers can be particularly beneficial for individuals who struggle with maintaining a healthy body weight or suffer from conditions that cause weight loss, such as cancer or certain gastrointestinal disorders. These supplements can provide the necessary calories and nutrients to help individuals regain lost weight and replenish nutrient stores. However, it’s important to consult with a healthcare professional or a registered dietitian before using mass gainers as a part of a medical treatment plan.

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5. Enhanced Exercise Performance

Mass gainers that contain carbohydrates can provide an additional source of energy for individuals engaging in intense physical activity. Carbohydrates are the body’s preferred fuel source, and consuming them before or after a workout can help increase endurance and improve exercise performance. By fueling the muscles with readily available energy from carbohydrates, individuals may be able to train longer and more efficiently.

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What are the Side-effects of Mass Gainer?

As a dietitian, it’s important to consider all aspects of dietary supplements, including potential side effects. Mass gainers are popular products among individuals looking to increase their muscle mass and overall body weight. While they can be effective in achieving these goals, it’s essential to be aware of the potential side effects associated with their use.

Weight Gain

The most obvious side effect of using mass gainers is weight gain. These supplements are often high in calories and designed to promote weight and muscle mass gain. If not used correctly or in combination with an appropriate exercise regimen, excessive weight gain can occur.

Gastrointestinal Distress

Some individuals may experience gastrointestinal distress when consuming mass gainers. This can include symptoms such as bloating, gas, diarrhea, or stomach discomfort. This side effect is more common in people with sensitive stomachs or those who consume large quantities of the supplement.

Allergic Reactions

Like any other dietary supplement or food, mass gainers can potentially trigger allergic reactions. These reactions can range from mild symptoms such as itching and swelling to more severe ones like difficulty breathing. Individuals with known food allergies should be cautious and carefully read the ingredient label.

Insulin Resistance

Mass gainers often contain high levels of carbohydrates, including sugars. Consuming excessive amounts of sugar on a regular basis can lead to insulin resistance, a condition in which the body’s cells become less responsive to insulin. This can potentially increase the risk of developing diabetes or other metabolic disorders.

Nutrient Imbalance

Depending on the brand and composition, mass gainers may lack certain important nutrients that are essential for a balanced diet. Relying solely on these supplements for nutrition without addressing other dietary needs can lead to nutrient imbalances and deficiencies.

What are the various types of Mass Gainer?

Mass gainers are supplements designed to provide an extra dose of calories, protein, carbohydrates, and other essential nutrients needed for muscle growth and weight gain. In this article, I will discuss some of the various types of mass gainers available in the market, each catering to different dietary needs and goals.

1. Whey Protein-based Mass Gainers

Whey protein is a popular source of protein known for its high bioavailability and rapid absorption. Whey protein-based mass gainers often contain a blend of whey protein concentrate and isolate, providing a complete amino acid profile. These mass gainers are ideal for individuals who have higher protein requirements and aim to build lean muscle mass.

2. Casein Protein-based Mass Gainers

Unlike whey protein, casein protein is known for its slow digestion and prolonged release of amino acids into the bloodstream. Casein protein-based mass gainers are beneficial for individuals who want a sustained protein source throughout the day or night, such as before bedtime or during extended periods of fasting.

3. Plant-based Mass Gainers

For those following a vegan or vegetarian diet, plant-based mass gainers offer a suitable alternative. These mass gainers commonly derive their protein content from sources like pea protein, brown rice protein, or hemp protein. Plant-based mass gainers can also be a good option for individuals with lactose intolerance or dairy allergies.

4. High Carbohydrate Mass Gainers

Individuals with high energy needs or those who find it challenging to consume sufficient carbohydrates can benefit from high carbohydrate mass gainers. These mass gainers tend to have a higher carbohydrate to protein ratio, providing a quick and convenient source of calories necessary for weight gain.

5. Weight Gainers with Added Supplements

Some mass gainers are formulated with added supplements to enhance their effectiveness. These supplements can include creatine, glutamine, branched-chain amino acids (BCAAs), and other ingredients proven to support muscle growth and recovery. Weight gainers with added supplements may be suitable for individuals who seek additional performance-enhancing effects.

6. Calorie-dense Mass Gainers

Individuals with a fast metabolism or those who struggle to consume large volumes of food may find calorie-dense mass gainers beneficial. These mass gainers provide a high concentration of calories per serving, often achieved through added fats and carbohydrates. Calorie-dense mass gainers help individuals meet their increased energy requirements without feeling excessively full or overwhelmed.

7. Low-sugar or Sugar-free Mass Gainers

Lastly, individuals who are conscious about their sugar intake or are following a low-sugar diet can opt for low-sugar or sugar-free mass gainers. These mass gainers usually contain artificial sweeteners or natural sugar substitutes to provide a sweet taste without the high sugar content.

How does Mass Gainer work?

Mass gainers are specially formulated supplements designed to help individuals gain weight, primarily in the form of muscle mass. These products typically contain a blend of carbohydrates, proteins, fats, vitamins, minerals, and sometimes added ingredients like creatine, glutamine, or digestive enzymes. The idea behind mass gainers is to provide a calorie-dense product that promotes an overall energy surplus, resulting in weight gain.

The primary mechanism through which mass gainers work is by increasing calorie intake. They offer a convenient way to consume a large number of calories in a single serving. These additional calories provide the body with the necessary energy to fuel muscle growth and repair.

Carbohydrates play a crucial role in mass gainers as they serve as the main source of energy. Carbs are quickly digested and absorbed, leading to a rapid increase in blood sugar levels, which triggers the release of insulin. Insulin is a hormone that helps shuttle nutrients, such as glucose and amino acids, into cells, promoting muscle growth and glycogen storage.

Proteins, on the other hand, play a fundamental role in muscle building. Mass gainers contain high-quality proteins like whey, casein, or a blend of different protein sources. These proteins provide the essential amino acids needed for muscle protein synthesis, which is the process through which the body builds new muscle tissue.

In addition, many mass gainers are fortified with vitamins and minerals to support overall health and well-being. These nutrients are essential for optimal muscle function, energy production, and recovery.

It’s important to note that mass gainers should be used in conjunction with a well-balanced diet and a structured resistance training program. They are not a magic solution and won’t produce desired results without proper nutrition and exercise. Individual calorie and macronutrient needs may vary, so it’s best to consult with a healthcare professional or registered dietitian before incorporating a mass gainer into your routine.

While mass gainers can be a helpful tool for individuals looking to gain weight and build muscle, they are not suitable for everyone. It’s important to consider factors such as individual goals, dietary preferences, and any underlying health conditions before deciding to use a mass gainer.

Recommended dosage of Mass Gainer

As a professional dietitian, I understand the importance of choosing the right supplements to support your fitness and health goals. When it comes to mass gainers, it’s crucial to determine the appropriate dosage for optimal results. The recommended dosage of mass gainer varies based on factors such as age, gender, individual needs, and health goals.

Age

Age plays a significant role in determining the recommended dosage of mass gainer. Generally, adolescents and adults have different nutritional requirements due to differences in growth and metabolic rates. For individuals aged 18 or above, a typical dosage ranges between 20 to 60 grams of mass gainer per serving.

Gender

Gender is another important factor to consider when determining the appropriate dosage of mass gainer. Men generally have higher muscle mass and different metabolic needs compared to women. Therefore, the recommended dosage for men may lean towards the higher end of the range, while women may find the lower end suitable. However, it’s essential to assess individual needs and goals before finalizing the dosage.

Needs and Health Goals

Personal needs and health goals should always be taken into consideration when deciding on the dosage of mass gainer. If your aim is to gain lean muscle mass, a lower dosage might be sufficient. On the other hand, individuals who have difficulty gaining weight or are engaged in high-intensity training may require a higher dosage to meet their nutritional needs and support muscle growth. If you have specific dietary restrictions or health conditions, it’s advisable to consult with a healthcare professional or dietitian to determine your ideal dosage.

It’s worth mentioning that spreading out the intake of mass gainer throughout the day can enhance absorption and utilization of nutrients. For example, if the recommended dosage is 60 grams per day, it can be divided into two 30-gram servings consumed at different times to maximize nutrient uptake.

While mass gainers can be an effective supplement for reaching your fitness goals, it’s important to remember that they should not replace whole foods in your diet. A balanced and nutrient-rich diet should always be your foundation when striving for optimal health and fitness.

Lastly, each mass gainer product may have specific usage guidelines, and it’s essential to read and follow them carefully. These guidelines may provide detailed information on the recommended dosage, timing, and usage instructions based on the specific product formulation. Always consult with a healthcare professional or dietitian to ensure that the dosage aligns with your individual needs and goals.

Natural and Food Sources of Mass Gainer

While there are a number of mass gainer supplements available on the market, I always emphasize the importance of obtaining nutrients from whole foods whenever possible. Natural sources of mass gainer not only provide essential nutrients, but they also offer a variety of other benefits such as fiber, antioxidants, and phytochemicals.

Protein-Rich Foods

Protein is a vital component for muscle growth and maintenance, making it an essential part of any mass gaining diet. Good sources of protein include lean meats like chicken, turkey, and beef. Fish such as salmon and tuna, along with eggs and dairy products like milk, yogurt, and cheese, are also excellent protein-rich options.

Healthy Fats

While many individuals focus solely on protein intake when trying to gain mass, it is important not to neglect healthy fats. Avocado, nuts, seeds, and oils like olive or coconut oil are all fantastic sources of healthy fats. These foods provide essential fatty acids, which are not only beneficial for the body, but also help in increasing overall calorie intake for weight gain.

Complex Carbohydrates

Carbohydrates are the body’s primary source of energy, so including complex carbohydrates in your diet is crucial for mass gaining. Opt for whole grains like brown rice, quinoa, and oatmeal to provide your body with a steady supply of energy. Additionally, legumes and starchy vegetables like sweet potatoes and corn are excellent choices that offer a good combination of carbohydrates and other nutrients.

Fruits and Vegetables

No mass gaining diet is complete without a generous amount of fruits and vegetables. These foods are rich in vitamins, minerals, antioxidants, and fiber, which are essential for overall health and well-being. Opt for a variety of colorful fruits and vegetables to ensure you are getting a wide range of nutrients. Berries, spinach, kale, bell peppers, and broccoli are just a few examples of nutrient-packed options.

Recommended Dosage and Adjustments

The recommended dosage of natural mass gainer foods varies based on several factors including age, gender, individual needs, and health goals. For adults looking to gain mass, it is generally recommended to consume an extra 500-1000 calories per day above their maintenance level. This can be achieved by incorporating an increased portion of protein, carbohydrates, and healthy fats into each meal and snack. Adjustments can be made based on individual metabolism, activity levels, and progress towards weight gain goals.

Frequently Asked Question on Mass Gainer

1. What is a mass gainer?

A mass gainer is a type of dietary supplement that is designed to help individuals gain weight and build muscle mass. It typically comes in a powder form that can be mixed with water, milk, or other liquids to create a shake or smoothie. Mass gainers are often high in calories, protein, carbohydrates, and other nutrients to support muscle growth and recovery.

2. Who should use a mass gainer?

A mass gainer is typically used by individuals who have difficulty gaining weight or lean muscle mass. This can include athletes, bodybuilders, and individuals with a fast metabolism. Mass gainers can also be beneficial for those who have increased calorie needs due to intense physical activity or individuals who are recovering from an illness or injury.

3. Will mass gainers make me gain fat?

Mass gainers are formulated to provide a high-calorie intake, which can result in weight gain. However, whether this weight gain is primarily muscle or fat depends on various factors, such as your overall diet, exercise routine, and genetics. To minimize fat gain, it is important to combine the use of a mass gainer with a well-balanced diet and regular exercise to ensure that the additional calories are utilized for muscle growth rather than fat storage.

4. How do I incorporate a mass gainer into my diet?

The best way to incorporate a mass gainer into your diet is by using it as a supplement to your meals or as a post-workout recovery shake. You can mix the recommended serving size of the mass gainer powder with water, milk, or a liquid of your choice in a shaker bottle or blender. It can be consumed between meals, as a meal replacement, or before or after your workout to meet your calorie and nutrient needs.

5. How much mass gainer should I take?

The recommended serving size of a mass gainer varies depending on the brand and individual needs. It is best to follow the instructions provided on the product label or consult with a healthcare professional or registered dietitian for personalized recommendations. Starting with a smaller serving size and gradually increasing as tolerated can help prevent gastrointestinal discomfort and allow your body to adjust to the increased calorie intake.

6. Are mass gainers safe to use?

When used as directed, mass gainers are generally safe for consumption. However, it is important to choose a reputable brand and read the product label to ensure the ingredients are safe and suitable for your dietary needs. If you have any specific health concerns or medical conditions, it is recommended to consult with a healthcare professional before incorporating a mass gainer into your diet.

7. Can women use mass gainers?

Absolutely! Mass gainers can be used by both men and women. However, it’s important to consider individual calorie and macronutrient needs. Women typically have lower calorie requirements than men, so adjusting the serving size of the mass gainer to meet your specific needs is recommended. Additionally, it is always a good idea to consult with a healthcare professional or registered dietitian to ensure the mass gainer is appropriate for your individual goals and health status.

8. Are mass gainers only for people who want to build muscle?

No, mass gainers can be used by individuals with various goals. While they are commonly used by those looking to build muscle mass, mass gainers can also provide a convenient way to increase calorie intake for individuals who need to gain weight, recover from an illness or injury, or have increased energy needs due to intense physical activity. The key is to adjust the serving size and overall calorie intake based on your individual goals and needs.

9. Can I use a mass gainer as a meal replacement?

Mass gainers can be used as a meal replacement, especially for individuals who have difficulty consuming solid meals due to appetite or time constraints. However, it is important to recognize that mass gainers are typically high in calories and macronutrients, and may not provide the same balance of vitamins, minerals, and other essential nutrients as a well-rounded meal. Depending on your dietary needs and goals, it may be advisable to include whole food sources of nutrition, such as fruits, vegetables, and lean proteins, in addition to the mass gainer as part of a balanced diet.

10. Are there any side effects of using mass gainers?

While mass gainers are generally safe for consumption, some individuals may experience side effects such as gastrointestinal discomfort, bloating, or increased thirst due to the high calorie and macronutrient content. It is important to start with a smaller serving size and gradually increase as tolerated to allow your body to adapt. If you experience any severe or persistent side effects, it is recommended to discontinue use and consult with a healthcare professional.

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Dr. Heather Smith

MD, FRCP

Medical Practitioner verified

By day I’m a critical care physician and medical leader. By night I’m the mom of 2 chaotic, wonderful boys. Somewhere in the middle of all that, I’m building a skincare brand and trying to save the world from plastic waste.